Home / 19,040.71-26,276.24-10,657.21

Finding the Fourth Proportional to 19,040.71, 26,276.24 and 10,657.21

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Solution

The fourth proportional to 19,040.71, 26,276.24 and 10,657.21 is: 14,706.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,040.71 : 26,276.24 = 10,657.21 : x
  2. Step 2: Convert to fraction form
    19,040.71/26,276.24 = 10,657.21/x
  3. Step 3: Cross multiply
    19,040.71x = 26,276.24 × 10,657.21
  4. Step 4: Simplify right side
    19,040.71x = 280,031,407.69
  5. Step 5: Solve for x
    x = 280,031,407.69/19,040.71
  6. Step 6: Final answer
    x = 14,706.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.